archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-09-21 03:24:38 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

8032463: VirtualDispatch test timeout with DeoptimizeALot

Browse source 
Introduce code aging for warm method detection

Reviewed-by: kvn, twisti
This commit is contained in:
Igor Veresov 2014-05-13 11:32:10 -07:00
parent 5938d3d5b9
commit 54db2c2d61
27 changed files with 283 additions and 69 deletions
Download patch file Download diff file Expand all files Collapse all files

3
hotspot/src/share/vm/runtime/deoptimization.hpp
View file

@ -62,6 +62,7 @@ class Deoptimization : AllStatic {
Reason_speculate_class_check, // saw unexpected object class from type speculation
Reason_speculate_null_check, // saw unexpected null from type speculation
Reason_rtm_state_change, // rtm state change detected
Reason_tenured, // age of the code has reached the limit
Reason_LIMIT,
// Note: Keep this enum in sync. with _trap_reason_name.
Reason_RECORDED_LIMIT = Reason_bimorphic // some are not recorded per bc
@ -357,8 +358,8 @@ class Deoptimization : AllStatic {
// returning to a deoptimized caller
static void popframe_preserve_args(JavaThread* thread, int bytes_to_save, void* start_address);
private:
static MethodData* get_method_data(JavaThread* thread, methodHandle m, bool create_if_missing);
private:
// Update the mdo's count and per-BCI reason bits, returning previous state:
static ProfileData* query_update_method_data(MethodData* trap_mdo,
int trap_bci,